diff options
Diffstat (limited to 'drivers/leds/leds-wm831x-status.c')
| -rw-r--r-- | drivers/leds/leds-wm831x-status.c | 32 |
1 files changed, 11 insertions, 21 deletions
diff --git a/drivers/leds/leds-wm831x-status.c b/drivers/leds/leds-wm831x-status.c index c586d05e336..e72c974142d 100644 --- a/drivers/leds/leds-wm831x-status.c +++ b/drivers/leds/leds-wm831x-status.c @@ -10,13 +10,14 @@ */ #include <linux/kernel.h> -#include <linux/init.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/leds.h> #include <linux/err.h> #include <linux/mfd/wm831x/core.h> #include <linux/mfd/wm831x/pdata.h> #include <linux/mfd/wm831x/status.h> +#include <linux/module.h> struct wm831x_status { @@ -155,7 +156,7 @@ static int wm831x_status_blink_set(struct led_classdev *led_cdev, return ret; } -static const char *led_src_texts[] = { +static const char * const led_src_texts[] = { "otp", "power", "charger", @@ -228,23 +229,24 @@ static int wm831x_status_probe(struct platform_device *pdev) int id = pdev->id % ARRAY_SIZE(chip_pdata->status); int ret; - res = platform_get_resource(pdev, IORESOURCE_IO, 0); + res = platform_get_resource(pdev, IORESOURCE_REG, 0); if (res == NULL) { - dev_err(&pdev->dev, "No I/O resource\n"); + dev_err(&pdev->dev, "No register resource\n"); ret = -EINVAL; goto err; } - drvdata = kzalloc(sizeof(struct wm831x_status), GFP_KERNEL); + drvdata = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_status), + GFP_KERNEL); if (!drvdata) return -ENOMEM; - dev_set_drvdata(&pdev->dev, drvdata); + platform_set_drvdata(pdev, drvdata); drvdata->wm831x = wm831x; drvdata->reg = res->start; - if (wm831x->dev->platform_data) - chip_pdata = wm831x->dev->platform_data; + if (dev_get_platdata(wm831x->dev)) + chip_pdata = dev_get_platdata(wm831x->dev); else chip_pdata = NULL; @@ -298,7 +300,6 @@ static int wm831x_status_probe(struct platform_device *pdev) err_led: led_classdev_unregister(&drvdata->cdev); - kfree(drvdata); err: return ret; } @@ -309,7 +310,6 @@ static int wm831x_status_remove(struct platform_device *pdev) device_remove_file(drvdata->cdev.dev, &dev_attr_src); led_classdev_unregister(&drvdata->cdev); - kfree(drvdata); return 0; } @@ -323,17 +323,7 @@ static struct platform_driver wm831x_status_driver = { .remove = wm831x_status_remove, }; -static int __devinit wm831x_status_init(void) -{ - return platform_driver_register(&wm831x_status_driver); -} -module_init(wm831x_status_init); - -static void wm831x_status_exit(void) -{ - platform_driver_unregister(&wm831x_status_driver); -} -module_exit(wm831x_status_exit); +module_platform_driver(wm831x_status_driver); MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); MODULE_DESCRIPTION("WM831x status LED driver"); |